NEET-UG SERIES
Physics

De Broglie Hypothesis

9 previous year questions.

Volume: 9 Ques
Yield: Medium

High-Yield Trend

1
2025
2
2017
1
2014
1
2003
1
2002
1
1999
1
1992
1
1989

Chapter Questions
9 MCQs

01
PYQ 1989
medium
physics ID: neet-ug-
The de Broglie wave corresponding to a particle of mass m and velocity v has a wavelength associated with it
1
2
3
4
02
PYQ 1992
medium
physics ID: neet-ug-
Solar energy is due to
1
fusion reaction
2
fission reaction
3
combustion reaction
4
chemical reaction
03
PYQ 1999
medium
physics ID: neet-ug-
The photoelectric work function for a metal surface is 4.125 eV. The cut-off wavelength for this surface is
1
3000
2
2062.5
3
4125
4
6000
04
PYQ 2002
medium
physics ID: neet-ug-
If particles are moving with same velocity, then De-Broglie wavelength is maximum for :
1

Proton

2

-particle

3

Neutron

4

-particle

05
PYQ 2003
medium
physics ID: neet-ug-
Solar energy is mainly caused due to
1
burning of hydrogen in the oxygen
2
fission of uranium present in the Sun
3
fusion of protons during synthesis of heavier elements
4
gravitational contraction
06
PYQ 2014
medium
physics ID: neet-ug-
If the kinetic energy of the particle is increased to 16 times its previous value, the percentage change in the de-Broglie wavelength of the particle is :
1
75
2
60
3
50
4
25
07
PYQ 2017
medium
physics ID: neet-ug-
The de-Broglie wavelength of a neutron in thermal equilibrium with heavy water at a temperature T (Kelvin) and mass m, is
1
2
3
4
08
PYQ 2017
medium
physics ID: neet-ug-
The photoelectric threshold wavelength of silver is . The velocity of the electron ejected from a silver surface by ultraviolet light of wavelength is (Given and )
1
2
3
4
09
PYQ 2025
easy
physics ID: neet-ug-
De-Broglie wavelength of an electron orbiting in the state of hydrogen atom is close to (Given Bohr radius = 0.052 nm):
1

2

3

4